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Rad 107 Quiz2 Review

QuestionAnswer
What is image perception? image perception is the visual sensitivity required for proper interpretation of medical images. It involves how well the human eye and brain detect image details, contrast, and abnormalities
Light incident on the eye must first pass through the _________________. cornea
What is the basic illumination level unit? Lumen per square meter and lux
What is a receiver operating characteristic (ROC) curve? An ROC curve is a graph used to evaluate diagnostic accuracy by plotting the true positive fraction (sensitivity) against the false positive fraction. A larger area under the curve (AUC) indicates more accurate decision-making.
The process of matching any worker to the work environment to maximize efficiency is ______. ergonomics
The ambient light levels in the reading area should be ______________. near darkness
What is visual acuity? Visual acuity is the ability of the eye to distinguish small details and shapes clearly. In digital imaging, it is closely related to spatial resolution.
What are some ergonomic requirements for digital image interpretation? Important ergonomic requirements include adjustable chairs and desks, ambient lighting between 10–50 lux, low noise levels, proper temperature and humidity, and practices like the 20-20-20 rule to reduce eye strain.
What is PACS? PACS (Picture Archiving and Communication System) is a digital system used for image acquisition, processing, viewing, storage, and retrieval in medical imaging.
What is the function of RIS? RIS (Radiology Information System) manages schedules, imaging protocols, reports, billing, and other radiology department information.
A digital display monitor is best viewed ______________. straight on
Preprocessing the digital image is done _____________, and post-processing is done ______________. automatically; manually
What is DICOM? DICOM (Digital Imaging and Communications in Medicine) is the standard format used for storing, transmitting, and sharing digital medical images and related information.
What is an EMR? EMR (Electronic Medical Record) is a digital version of a patient’s medical record containing identification, medical history, imaging requests, reports, and other healthcare information.
What is teleradiology? Teleradiology is the remote transmission and viewing of digital medical images, allowing radiologists to interpret images from distant locations.
Created by: dani.vouga04
 

 



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